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Home/Diagnosis/ICD-10 Coding for Mild Cognitive Dysfunction

ICD-10 Coding for Mild Cognitive Dysfunction

G31.84
F06.7-

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mild cognitive dysfunction includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Mild Cognitive Impairment
MCI
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Key Information: ICD-10 Coding for Mild Cognitive Dysfunction

Essential facts and insights about ICD-10 Coding for Mild Cognitive Dysfunction

Use ICD-10 code G31.84 for other specified degenerative diseases of nervous system, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Other specified degenerative diseases of nervous system

Billable Code
G31.84
Billable

Diagnostic Criteria

clinical:
  • • Objective cognitive impairment with preserved ADLs
documentation:
  • • Detailed cognitive evaluation and informant history

Applicable To

  • • Mild cognitive impairment, so stated

Important Notes

  • • Ensure documentation specifies cognitive domains affected and test results

Other specified mental disorders due to known physiological condition

Non-Billable
F06.7-
Non-Billable

Diagnostic Criteria

clinical:
  • • Link to underlying physiological condition
  • • Objective cognitive impairment

Applicable To

  • • Mental disorder due to known physiological condition

Important Notes

  • • Ensure linkage to underlying condition is documented
Ancillary Codes

Additional codes that may be used with this diagnosis

R41.9

Unspecified symptoms and signs involving cognitive functions and awareness

Use when cognitive screening is normal

Frequently Asked Questions

How is mild cognitive dysfunction coded in ICD-10?

Mild cognitive dysfunction is primarily coded as G31.84 for idiopathic cases. If due to a known condition, use F06.7- with the underlying condition coded first.

What is the difference between MCI and dementia in coding?

MCI (G31.84) involves cognitive impairment with preserved ADLs, while dementia (F03.9-) includes significant ADL impairment.

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